*{
    margin:0;
    padding: 0;
    font:2.5rem 宋体;
}
html{
    font-size: 62.5%;
}
ul,li{
    text-decoration: none;
    list-style: none;
}
a{
    text-decoration: none;
}
body{
    background-color: #29bde0;
}
/*顶部*/
header{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 91%;
    background-color: #29bde0;
   text-align: center;
    vertical-align: middle;
    color:white ;
    z-index: 9999;
}
header p{
    font-size: 3.5rem;
    margin-top:1rem;
}
header:before{
    content: url("../image/images-task7/矩形 6 拷贝 3.png");
    position: absolute;
    left: 0.8rem;
    top:0.6rem;
}
header:after{
    content: url("../image/images-task7/矩形 10 拷贝.png");
    position: absolute;
    right: 0.8rem;
    top:0.6rem;
}
/*main部分*/
main{
    margin-top: 58.23px;
    padding-bottom: 24%;
}
main p{
    margin: 0;
}
/*audio及其他*/
h4{
    color: white;
    margin-left:4%;
    margin-top: 4%;
}
main .div{
    background-color: #b9e9f5;
    margin-top: 5%;
    position: relative;
}
/*小三角*/
main .div:after{
    position: absolute;
    left:2rem;
    content: "";
    border-top: solid #b9e9f5 1rem;
    border-right: solid transparent 0.5rem;
    border-left: solid transparent 0.5rem;
    height:0;
    width: 0;
}
.div p{
    padding: 3%;
    font-size: 2rem;
    overflow: hidden;
}
#plan a{
    display: inline-table;
    position: relative;
    width: 1rem;
    height: 2.8rem;
    z-index: -1;
}
.div p:after{
    content: url("../image/images-task7/啊_03.png");
    float: right;
}
/*TOUXIANG*/
.TouXiang{
    width: 30%;
    margin: 1.6%;
}
.TouXiang div{
    /*border: 0.2rem solid white;*/
}
/*居中盒子*/
.center{
    width: 97%;
    margin: 0 auto;
}
.JZ{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    position: relative;
}
.SGD{
    background-color: #f5c97b;
    font-size: 2rem;
    padding:28%;
}
.BK span{
    color: white;
    background-color: #83b09a;
    /*border: 0.2rem solid white;*/
    /*border-bottom: none;*/
}
/*隐藏的小图标*/
.yc{
    visibility: hidden;
}
.JZ:hover .yc{
    visibility: visible;
}
.yc ul{
display: flex;
justify-content: space-between;
align-items: center;
}
.yc ul li{
width: 24%;
height:2.8rem;
margin-top:1rem;
display: flex;
justify-content: center;
}
li:nth-child(n){
background-color: white;
}
/*边框*/
.BK{
    border:0.2rem solid white;
}
/*footer部分*/
footer{
    position: fixed;
    bottom:0;
    left: 0;
    right:0;
}
footer div{
    padding:6%;
    background-color:#29bde0;
}
footer div a{
    background-color: #fbb435;
    padding: 5%;
    margin:auto 4%;
    display: block;
    text-align: center;
    color: white;
}

/*媒体查询*/
@media (max-width: 460px) {
    html{
        font-size: 48%;
    }
}
@media (max-width: 380px) {
    .yc ul li{
        height:2rem;
    }
}